Can you define a velocity macro to "wrap" other content? - html

I'm trying to abstract a common scenario in generated markup where I need a couple of tags to "wrap" an arbitrary content. So instead of writing this
<div class="container">
<p class="someClass">Some header</p>
<div id="foo">
<!-- The real content that changes -->
</div>
</div>
I would be able to write something "like"
#????
<!-- The real content that changes
#end
Where obviously I don't know what the #???? would be.
As far as I know it is not possible to do this with macros, short of defining a macro for the start of the block and a macro for the end of the block.
#macro(startContained)
<div class="container">
<p class="someClass">Some header</p>
<div id="foo">
#end
#macro(endContained)
</div>
</div>
#end
#startContained
<!-- The real content -->
#endContained
Any better way to do this ?

Use the ## macro call syntax, along with the $!bodyContent variable:
#macro(wrapper)
<div class="container">
<p class="someClass">Some header</p>
<div id="foo">
$!bodyContent##
</div>
</div>
#end
##wrapper()
The real content that changes.
#end
##wrapper()
Other different content.
#end
Renders as:
<div class="container">
<p class="someClass">Some header</p>
<div id="foo">
The real content that changes.
</div>
</div>
<div class="container">
<p class="someClass">Some header</p>
<div id="foo">
Other different content.
</div>
</div>
(The ## in the macro body removes trailing whitespace; for HTML it may not matter.)

Related

How to Remove HTML element by class name

I'm changing a database using phpmyadmin with several html pages inside it and I would like to remove, from all these pages, all the <div> and other tags that contain a certain class or id.
Example:
Case 1
<div class="undesirable">
<div class="container">
<div class="row">
<div class="col1"></div>
</div>
</div>
</div>
Case 2
<div class="undesirable">
<div class="container">
<div class="row">
<div class="col1"></div>
<div class="col2"></div>
</div>
</div>
</div>
i would like to remove all <div> that contain the class="undesirable". In some cases, there is still the possibility of appearing as class="pre_undesirable", or something similar.
Initially I thought of using regex, but as there are variations in htmls, code breaks are occurring, as there is no way to know when the <\div> will end.
Possibly the answer would be HTML parser, but I can't understand how to use it. Any indication of where to start?
Since you are dealing with html, you probably should use an html parser and search for the removal target using xpath. To demonstrate, I'll change your html a bit:
$original=
'<html><body>
<div class="undesirable">
<div class="container">
<div class="row">
<div class="col1"></div>
</div>
</div>
</div>
<div class="keepme">
<div class="container">
<div class="row">
<div class="col1"></div>
<div class="col2"></div>
</div>
</div>
</div>
<div class="pre_undesirable">
<div class="container">
<div class="row">
<div class="col1"></div>
<div class="col2"></div>
</div>
</div>
</div>
<div class="keepme">
<div class="container">
<div class="row">
<div class="col1"></div>
<div class="col2"></div>
</div>
</div>
</div>
</body>
</html>
';
$HTMLDoc = new DOMDocument();
$HTMLDoc->loadHTML($original);
$xpath = new DOMXPath($HTMLDoc);
$targets = $xpath->query('//div[contains(#class,"undesirable")]');
foreach($targets as $target){
$target->parentNode->removeChild($target);
}
echo $HTMLDoc->saveHTML();
The output should include only the two "keep me" <div>s.
We can make use D3JS to remove or append any the HTML elements by class name or id.
We can make use of Select() and Selectall() for the selection of the particular elements in the HTML. Incase if we want to append any div tag use append('div') to insert the div for the data.
<script>
function remove()
{
d3.select(.undesirable)
.selectAll("li")
.exit()
.remove()
}
</script>

How to Make HTML Elements in Compact mode VS Code

I tried to format my HTML Selection of HTML Elements in Compact View I tried too many Visual Studio Extension but none of them working like Ctrl + J and Prettify so on
Here is the example of my code look likes
<div class="example">
<div class="section">
<div class="widget">
<div class="title">
<h3 class="title">I am a developer</h3>
</div>
</div>
</div>
</div>
I need Like this Below
<div class="example"><div class="section">
<div class="widget">
<div class="title"><h3 class="title">I am a developer</h3></div>
</div></div></div>
Like above this format there is too much code I need to format with help of any extension in VS code if possible Suggest me
Any Help is Highly Appreciated
it is always good to format your code well using indentation. This helps one identify parent and child elements especially when an element has more than to child elements.
e.g.
<div class="example">
<div class="section">
<div class="widget">
<div class="title">
<h3 class="title">I am a developer</h3>
</div>
</div>
</div>
</div>

Add the same element name using BEM methodology

I started to use BEM methodology and i have a question according to this.
Example:
<div class="container">
<div class="container__block-1">
<h1 class="container-title">block1</h1>
</div>
<div class="container__block-2">
<h1 class="container__title container-title">block2</h1>
</div>
<div class="container__block-3">
<h1 class="container__title container-title">block3</h1>
</div>
</div>
How you can see i use: container__title element in block 2 and in block3. I need this to add different margin and padding for h1.
Question: Can i use the same element in container__block-2 and container__block-3 according to BEM methodology?
It is okay to use the same element for another block as long as you want to have the same properties of the above blocks.
However, incase you need a variation, that's when the modifier comes into role.
whenever you need to make a change in only a particular element from a group of elements, you use a modifier there. It is denoted as block__element--modifier.
<div class="container">
<div class="container__block-1">
<h1 class="container-title">block1</h1>
</div>
<div class="container__block-2">
<h1 class="container__title container__title--modifier1 ">block2</h1>
</div>
<div class="container__block-3">
<h1 class="container__title container__title--modifier2">block3</h1>
</div>
</div>
For different variants of same class, u can use --
<div class="container">
<div class="container__block-1">
<h1 class="container-title">block1</h1>
</div>
<div class="container__block-2">
<h1 class="container__title container__title--1">block2</h1>
</div>
<div class="container__block-3">
<h1 class="container__title container__title--2">block3</h1>
</div>
</div>

Bootstrap Container Use In Relation To Website Layout

I’m a little confused on how to use Bootstrap’s containers. Am I supposed to nest the entire body of the webpage within a single container and then use rows for each section of the webpage? Or do I use individual containers for each section of my webpage?
For example, this...
<body>
<div class ="container-fluid">
<nav>Nav bar code</nav>
<div class="row">
<div class="col-*-*" > body stuff </div>
<div class="col-*-*" > body stuff </div>
</div>
<div class="row">
<div class="col-*-*" > more body stuff </div>
<div class="col-*-*" > more body stuff </div>
</div>
</div>
</body>
...or this?
<body>
<div class ="container-fluid">
<nav>Nav bar code</nav>
</div>
<div class ="container-fluid">
<div class="row">
<div class="col-*-*" > body stuff </div>
<div class="col-*-*" > body stuff </div>
</div>
</div>
<div class ="container-fluid">
<div class="row">
<div class="col-*-*" > more body stuff </div>
<div class="col-*-*" > more body stuff </div>
</div>
</div>
</body>
You can use both, it depends on your need. You are able to use as many as the container you want. For example, if you want to have different sections with the different background color you can use multiple containers. If you want to have different image background you can use multiple containers as well.

atom beautifier html comments

I am using atom to write html and atom beautify to format the code. It works quite good but there is one problem that makes my code a little bit messy. Here is the code the way i want it to be:
<section id="hero">
<div class="container">
<div class="row">
<div class="col-sm-8">
<p>Hello world!</p>
</div><!--/col-->
</div><!--/row-->
</div><!--/container-->
</section><!--/hero-->
And here is the code they way atom beautify makes it:
<section id="hero">
<div class="container">
<div class="row">
<div class="col-sm-8">
<p>Hello world!</p>
</div>
<!--/col-->
</div>
<!--/row-->
</div>
<!--/container-->
</section>
<!--/hero-->
As you can see, it puts the html comment in a new line and then i have unnecessary lines in my code and also its not so easy to see the closing tag instantly. Is there any way to configure the beautifier?
I don't see a solution. The atom-beautify package allows you to configure it in a variety of ways. One of those is adding tags to be excluded from formatting. However, when I test it by adding "!--/col--" to the array, what I get is the whole back end of the snippet being unformatted.
<section id="hero">
<div class="container">
<div class="row">
<div class="col-sm-8">
<p>Hello world!</p>
</div>
<!--/col-->
</div><!--/row-->
</div><!--/container-->
</section><!--/hero-->